1 The lac operon consists of three structural genes, and a promoter, a terminator, regulator, and an operator. 2  The three structural genes are: lacZ, lacY, and lacA.n this case, when lactose is required as a sugar source for the bacterium, the three genes of the lac operon can be expressed and their subsequent proteins translated: lacZ, lacY, and lacA.
NEC Corporation (æ¥æ¬é»æ°æ ªå¼ä¼ç¤¾, Nippon Denki Kabushiki Gaisha) is a Japanese multinational provider of information technology (IT) services and products, headquartered in Minato, Tokyo, Japan.
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